Hi Benny, so we have the same problem last 2 days.
there are two affected VMs (furtunately not more) and we cant start any
snapshot for these VMS.
it looks that the snapshot haven't start yet , then to unlock objects
(snapshot and disk) shouldn't damage disk (i tried it on both VMS), then
i restarted them and VMS run again. I made clone from one of them ant
the clone works properly.
Jirka
On 8/5/22 10:34, Benny Zlotnik wrote:
So based on your logs the lock you are seeing is a memory lock,
unlock_entity.sh can't really help with these.
Also, the job table is used mainly for presentation so removing an
entry from will not help.
Do you have the logs from when this snapshot operation started, you
can use the correlation id (28353fa0-5e36-4fe8-8609-e74cd1da6d36) to
search? Also, do you have the vdsm logs (SPM at the time and the host
running the VM), same correlation id can be used for this as well
The table that's used to coordinate this is command_entities, so in
theory removing the entries with this correlation id can help, but I'd
like to see what led to this first
On Fri, Aug 5, 2022 at 8:37 AM Andrei Verovski <andre...@starlett.lv> wrote:
Hi, Benny,
I have sent log on your mailbox, its too big to post here on mailing list.
Looks like ghost task is still running, anything else need to be removed from
Postgres DB?
BTW, frozen dead snapshot is in invalid state, is there any way to get rid of
it? I think it's actually exists, but due to invalid state its not possible to
do anything with it.
——
Log file still shows zombie task:
2022-08-04 20:57:30,145+03 INFO
[org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback]
(EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-24)
[28353fa0-5e36-4fe8-8609-e74cd1da6d36] Command 'CreateSnapshotForVm' (id:
'2f8b32d8-fd3c-46c9-90e9-4863d63c0530') waiting on child command id:
'ed816f9d-e25c-4b58-8c8f-fd0393abda2f' type:'CreateLiveSnapshotForVm' to
complete
2022-08-04 20:57:40,176+03 INFO
[org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback]
(EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-85)
[28353fa0-5e36-4fe8-8609-e74cd1da6d36] Command 'CreateSnapshotForVm' (id:
'2f8b32d8-fd3c-46c9-90e9-4863d63c0530') waiting on child command id:
'ed816f9d-e25c-4b58-8c8f-fd0393abda2f' type:'CreateLiveSnapshotForVm' to
complete
2022-08-04 20:57:50,252+03 INFO
[org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback]
(EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-66)
[28353fa0-5e36-4fe8-8609-e74cd1da6d36] Command 'CreateSnapshotForVm' (id:
'2f8b32d8-fd3c-46c9-90e9-4863d63c0530') waiting on child command id:
'ed816f9d-e25c-4b58-8c8f-fd0393abda2f' type:'CreateLiveSnapshotForVm' to
complete
On 4 Aug 2022, at 19:06, Benny Zlotnik <bzlot...@redhat.com> wrote:
can you share the logs after restarting ovirt-engine?
On Thu, Aug 4, 2022 at 4:58 PM Andrei Verovski <andre...@starlett.lv> wrote:
Hi,
Creating snapshot of one of the VM vailed, and zombie tasks was killed with:
su postgres
psql -d engine -U postgres
select * from job order by start_time desc;
select DeleteJob('UUID_FROZEN_TASK_ID’);
However, VM remains in locked state (with lock sign left-below red “DOWN” arrow
in status column of web interface.
I run:
/usr/share/ovirt-engine/setup/dbutils/unlock_entity.sh -t all
then rebooted engine VM, still no luck. Can’t do anything with that VM.
Please advise how to fix.
Thanks in advance.
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